Example C++ project with Cmake + VCPKG package manager + Nana GUI library

CMakeLists.txt

cmake_minimum_required(VERSION 3.9)

if(DEFINED ENV{VCPKG_ROOT} AND NOT DEFINED CMAKE_TOOLCHAIN_FILE)
  set(CMAKE_TOOLCHAIN_FILE "$ENV{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake"
    CACHE STRING "")
    message(" [INFO] VCPKG CMAKE_TOOLCHAIN_FILE = ${CMAKE_TOOLCHAIN_FILE}")
endif()

#======= Global Project Configuration =========#

project(DummyProject)
set(CMAKE_CXX_STANDARD 17)     

#========== Targets Configurations ============#

## ==> Target: gui1 - Executable: gui1

find_package(unofficial-nana CONFIG REQUIRED)
add_executable(gui1 gui1.cpp)
target_link_libraries(gui1 PRIVATE
  unofficial::nana::nana fontconfig stdc++fs)

# Add target to run executable gui1 (similar to $ make run)
add_custom_target(run-gui1
    COMMAND gui1
    DEPENDS gui1
    WORKING_DIRECTORY ${CMAKE_PROJECT_DIR}
)

# Install directory relative to ${CMAKE_PREFIX_PATH}
install(TARGETS gui1 DESTINATION ./bin)

gui1.cpp

#include <nana/gui.hpp>
#include <nana/gui/widgets/label.hpp>
#include <nana/gui/widgets/button.hpp>

int main()
{
    using namespace nana;

    //Define a form.
    form fm;
    //Define a label and display a text.
    label lab{fm, "Hello, <bold blue size=16>Nana C++ Library</>"};
    lab.format(true);
    //Define a button and answer the click event.
    button btn{fm, "Quit"};
    btn.events().click([&fm]{
        fm.close();
    });
    //Layout management
    fm.div("vert <><<><weight=80% text><>><><weight=24<><button><>><>");
    fm["text"]<<lab;
    fm["button"] << btn;
    fm.collocate();
    //Show the form
    fm.show();
    //Start to event loop process, it blocks until the form is closed.
    exec();
}

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